<template>
    <div class="pie">
        <div id="pie1">
            <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
            <div id="main1" style="float:left;width:100%;height: 300px"></div>
        </div>
        <div id="pie2">
            <div id="main2" style="float:left;width:100%;height: 300px"></div>
        </div>
    </div>
</template>
 
<script>
    var echarts = require('echarts');
 
    export default {
        data() {
            return {
                // 数据
                data1: [],
            }
        },
        mounted() {
            this.initData();
        },
        methods: {
            //初始化数据
            initData() {
                this.requested = true;
                this.http.get('/admin/pathologyInfo/pathologicalNum').then(resp => {
                    // 动态数据
                    this.data1 = resp.data;
                    // 基于准备好的dom，初始化echarts实例
                    var myChart = echarts.init(document.getElementById('main1'));
                    // 绘制图表
                    myChart.setOption({
                        title : {
                            text: '某站点用户访问来源',
                            subtext: '纯属虚构',
                            x:'center'
                        },
                        tooltip : {
                            trigger: 'item',
                            formatter: "{a} <br/>{b} : {c} ({d}%)"
                        },
                        legend: {
                            orient: 'vertical',
                            bottom: 'bottom',
                            data: ['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
                        },
                        series : [
                            {
                                name: '访问来源',
                                type: 'pie',
                                radius : '55%',
                                center: ['50%', '60%'],
                                data:[
                                    {value:335, name:'直接访问'},
                                    {value:310, name:'邮件营销'},
                                    {value:234, name:'联盟广告'},
                                    {value:135, name:'视频广告'},
                                    {value:1548, name:'搜索引擎'}
                                ],
                                itemStyle: {
                                    emphasis: {
                                        shadowBlur: 10,
                                        shadowOffsetX: 0,
                                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                                    }
                                }
                            }
                        ]
                    });
                }).finally(() => {
                    this.requested = false;
                });
            },
        }
    }
</script>